<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<html>
<head>
<title>首页</title>
</head>
<body>
<h3>
<a href ="${pageContext.request.contextPath}/book/allBook"> 进入书籍页面</a>
</h3>
</body>
</html>